package com.zzyl.nursing.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.nursing.domain.Contract;
import com.zzyl.nursing.mapper.ContractMapper;
import com.zzyl.nursing.service.IContractService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.List;

/**
 * 合同Service业务层处理
 *
 * @author ghy
 * @date 2025-08-11
 */
@Service
public class ContractServiceImpl extends ServiceImpl<ContractMapper, Contract> implements IContractService {
    @Autowired
    private ContractMapper contractMapper;

    /**
     * 查询合同
     *
     * @param id 合同主键
     * @return 合同
     */
    @Override
    public Contract selectContractById(Long id) {
        return contractMapper.selectById(id);
    }

    /**
     * 查询合同列表
     *
     * @param contract 合同
     * @return 合同
     */
    @Override
    public List<Contract> selectContractList(Contract contract) {
        return contractMapper.selectContractList(contract);
    }

    /**
     * 新增合同
     *
     * @param contract 合同
     * @return 结果
     */
    @Override
    public int insertContract(Contract contract) {
        return contractMapper.insert(contract);
    }

    /**
     * 修改合同
     *
     * @param contract 合同
     * @return 结果
     */
    @Override
    public int updateContract(Contract contract) {
        return contractMapper.updateById(contract);
    }

    /**
     * 批量删除合同
     *
     * @param ids 需要删除的合同主键
     * @return 结果
     */
    @Override
    public int deleteContractByIds(Long[] ids) {
        return contractMapper.deleteBatchIds(Arrays.asList(ids));
    }

    /**
     * 删除合同信息
     *
     * @param id 合同主键
     * @return 结果
     */
    @Override
    public int deleteContractById(Long id) {
        return contractMapper.deleteById(id);
    }

    /**
     * 更新合同状态
     *
     * @return
     */
    @Override
    public int updateContractStatus() {
        // 0 --> 1 未生效 --> 2 已生效
        LocalDateTime now = LocalDateTime.now();
        List<Contract> contracts = this.lambdaQuery()
                .eq(Contract::getStatus, 0)
                .le(Contract::getStartDate, now)
                .gt(Contract::getEndDate, now)
                .list();
        if (CollUtil.isNotEmpty(contracts)) {
            contracts.forEach(contract -> {
                contract.setStatus(1);
            });
            this.updateBatchById(contracts);
        }
        // 1 --> 2 未生效 --> 2 已过期
        contracts = this.lambdaQuery()
                .eq(Contract::getStatus, 1)
                .le(Contract::getEndDate, now)
                .list();
        if (CollUtil.isNotEmpty(contracts)) {
            contracts.forEach(contract -> {
                contract.setStatus(2);
            });
            this.updateBatchById(contracts);
        }
        // 0 --> 3 未生效 --> 3 已失效
        contracts = this.lambdaQuery()
                .eq(Contract::getStatus, 0)
                .le(Contract::getEndDate, now)
                .list();
        if (CollUtil.isNotEmpty(contracts)) {
            contracts.forEach(contract -> {
                contract.setStatus(3);
            });
            this.updateBatchById(contracts);
        }
        return 1;
    }
}
